FCL Strengthening Hair Mask is an intensive treatment designed to revitalize and fortify weak, damaged hair. Infused with keratin, biotin, and argan oil, this mask deeply penetrates the hair shaft to repair and strengthen from within, reducing breakage and split ends. Its rich, creamy formula nourishes and hydrates, leaving hair smooth, shiny, and resilient. Suitable for all hair types, especially those experiencing damage from heat styling or chemical treatments, FCL Strengthening Hair Mask is ideal for weekly rejuvenation.